4 General Electric GE 12BL6 Vacuum Tubes NOS NIB Lot Of Four

4 General Electric GE 12BL6 Vacuum Tubes NOS NIB Lot Of FourThis lot of four new old stock, new in box GE 12BL6 tubes tested to spec on our TV7 U. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS UP TO $250 IN VALUE.

It may be for It may be for a Big Crown 7551 or some of the Pointer date models

I am playing them as I write in my Alan Eaton AC-heated single-ended 45 amplifier with Pink Floyd’s "The Wall" as 6SN7 substitutes and they sound terrific

new in box Tug-Sol 1P5GT tubes tested to spec on our Paul Hart-calibrated TV7/U

100% is 77/77

32 and 47 where minimum (65%) is 25

" "Water In The Lake

They are somewhat microphonic

Etsy will indicate the number available

Confound it

52/48 and 52/52 where minimum on the TV 7 (65%) is 38/38

These five Philco Type 37 triodes were tested on our Paul Hart-calibrated TV7/U for shorts

There were no shorts or gas